Question

The random variable X is normally distributed. Also, it is known that P(X>150) 5
a. Find the population mean µ if the population standard deviation σ = 15.
b. Find the population mean µ if the population standard deviation σ = 25.
c. Find the population standard deviation σ if the population mean µ = 136.
d. Find the population standard deviation if the population mean µ = 128.



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  • CreatedJanuary 28, 2015
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